PLKCKY School App vs protostar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PLKCKY School App
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PLK Choi Kai Yau School Introduction Po Leung Kuk Choi Yau School is the first independent and non-profit making through-train school in Hong Kong, offering a 12-year bilingual curriculum to students. “PLKCKY School App” is a one-stop messaging platform, so that parents can be more closely link with the school. The features include eCircular, Emergency Notification, School Calendar, etc. Staff can also make use of this platform for facility booking.
protostar
This educational app is designed for students aged 7-12, offering a platform for watching learning videos and playing interactive games. It is exclusively for users of the protostar education company and is available on iPad.
- Learning videos
- Educational games
- Preview content
- Review content
- Designed for ages 7-12
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1. Applicable to students aged 7-12 to use the app 2. This application is only for protostar education company 3. The application is only for ipad 4. The application is suitable for IPv6 5. This is an application that allows children to watch learning videos online, play learning games, and wait for preview and review
Screenshots
Verdict
The clearest difference is in-app purchases: PLKCKY School App at none against protostar's 1. PLKCKY School App also leads on ads (none vs shown) and device support (3 vs 1). protostar's advantage is update cadence (every 3 weeks vs every 3 months) and iOS requirement (10 vs 12.0). On price there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. protostar sells 1 one-off in-app purchase. PLKCKY School App asks for nothing beyond the download.
PLKCKY School App ships an update every 3 months, protostar every 3 weeks. The most recent releases landed on October 17, 2026 and October 21, 2026 respectively.
| Parameter | PLKCKY School App | protostar |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 12.0 | 10 — better |
| Further details — not scored | ||
| Size | 42 MB | 155 MB |
| Age rating | 4+ | 4+ |
| Developer | PO LEUNG KUK CHOI KAI YAU SCHOOL | Longzhe Education Technology (Shanghai) Co., Ltd. |
In-app purchases
PLKCKY School App
No in-app purchases
protostar
- Protostar English Course$299.99
Questions
Is PLKCKY School App free?
Is protostar free?
Do PLKCKY School App or protostar have ads?
Which is updated more often, PLKCKY School App or protostar?
Other comparisons
